:root {
  --bg: #07111f;
  --panel: rgba(10, 20, 38, 0.78);
  --panel-strong: rgba(14, 26, 48, 0.92);
  --text: #edf4ff;
  --muted: #b2bfd6;
  --line: rgba(151, 177, 220, 0.2);
  --accent: #87b7ff;
  --accent-soft: #dce9ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --shell-width: min(1180px, calc(100vw - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(39, 78, 142, 0.22), transparent 30%),
    linear-gradient(180deg, #040914 0%, #07111f 45%, #050b15 100%);
  overflow-x: hidden;
}

body::before {
  content: none;
}

.sky-glow {
  position: fixed;
  border-radius: 999px;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.35;
}

.sky-glow-one {
  top: 8%;
  left: -6%;
  width: 280px;
  height: 280px;
  background: rgba(84, 133, 223, 0.35);
}

.sky-glow-two {
  right: -8%;
  bottom: 10%;
  width: 320px;
  height: 320px;
  background: rgba(116, 89, 205, 0.2);
}

.starfall-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
  background: url("Starfall.gif") center center / cover no-repeat;
  opacity: 0.7;
}

.page-shell {
  position: relative;
  z-index: 2;
  width: var(--shell-width);
  margin: 0 auto;
  padding: 1.25rem 0 4rem;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 14, 28, 0.75);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.brand,
.site-nav a,
.info-links a,
.contact-link,
.intro a,
.paper-title,
.publication-meta a,
.hobby-toggle {
  text-decoration: none;
}

.brand {
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
}

.hero,
.section {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.9fr);
  gap: 2rem;
  padding: clamp(2rem, 4vw, 4rem);
  align-items: end;
}

.hero-copy,
.hero-side,
.hobby-grid-gallery,
.section-heading,
.hobby-photo-stack,
.publication-group {
  min-width: 0;
}

.hero-copy {
  display: grid;
  gap: 1.5rem;
}

.hero-side {
  display: grid;
  justify-items: end;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.95;
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.85rem, 4vw, 2.45rem);
}

.intro,
.section-heading p:not(.eyebrow),
.card-value,
.publication-bibliography li {
  color: var(--muted);
  line-height: 1.8;
  font-size: 1.03rem;
}

.intro {
  max-width: 68ch;
  margin: 0;
}

.intro a {
  color: var(--accent-soft);
  font-weight: 700;
}

.intro a:hover,
.intro a:focus-visible {
  color: #ffffff;
}

.photo-card,
.profile-card {
  border-radius: 22px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  overflow: hidden;
}

.photo-card {
  width: 100%;
  aspect-ratio: 4 / 5;
  min-height: 0;
}

.photo-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.profile-card {
  width: min(100%, 68ch);
  max-width: 68ch;
  padding: 1.5rem 1.75rem;
  text-align: left;
}

.profile-inline-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 2rem;
  row-gap: 0.65rem;
  align-items: baseline;
}

.profile-inline-grid .card-label,
.profile-inline-grid .card-value,
.profile-inline-grid .info-links {
  margin: 0;
}

.card-label {
  font-size: 1rem;
  letter-spacing: 0.14em;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent);
}

.card-value {
  margin: 0 0 1.5rem;
}

.contact-link {
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 1.08rem;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: #ffffff;
}

.info-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 0;
}

.info-links-inline {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: flex-start;
  gap: 0.9rem 1.2rem;
}

.info-links a {
  display: inline-block;
  width: fit-content;
  color: var(--accent-soft);
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid rgba(220, 233, 255, 0.35);
}

.info-links a:hover,
.info-links a:focus-visible {
  color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, 0.8);
}

.section {
  margin-top: 1.5rem;
  padding: clamp(2rem, 4vw, 3rem);
}

.section-heading,
.hobby-heading {
  max-width: 100%;
}

.section-heading code {
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--accent-soft);
}

.publications-section {
  display: grid;
  gap: 2.5rem;
}

.publication-group h2 {
  margin-bottom: 1rem;
}

.publication-bibliography {
  margin: 0;
  padding-left: 1.5rem;
}

.publication-bibliography li {
  margin-bottom: 1.2rem;
}

.paper-title {
  color: #d9e2ff;
  font-style: italic;
}

.publication-meta {
  color: #9ec49a;
  font-style: italic;
}

.publication-meta a {
  color: inherit;
}

.publication-meta a:hover,
.publication-meta a:focus-visible {
  color: #c7e2c3;
}

.hobby-grid-gallery {
  margin-top: 2rem;
}

.hobby-gallery-frame {
  position: relative;
  overflow: hidden;
  transition: max-height 220ms ease;
}

.hobby-gallery-frame.is-pending {
  overflow: visible;
}

.hobby-gallery-frame.is-collapsed {
  max-height: var(--collapsed-height, none);
}

.hobby-gallery-frame.is-collapsed::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 5rem;
  background: linear-gradient(180deg, rgba(7, 17, 31, 0), rgba(7, 17, 31, 0.95));
  pointer-events: none;
}

.hobby-gallery-frame.is-expanded {
  max-height: none;
}

.hobby-photo-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

.hobby-row {
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.hobby-row-landscape,
.hobby-row-single {
  grid-template-columns: minmax(0, 1fr);
}

.hobby-row-pair {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.hobby-toggle {
  display: inline-flex;
  margin-top: 1rem;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent-soft);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.hobby-toggle:hover,
.hobby-toggle:focus-visible {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
}

.hobby-tile {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0;
  border-radius: 24px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.hobby-tile-landscape {
  aspect-ratio: 16 / 9;
}

.hobby-tile-portrait {
  aspect-ratio: 4 / 5;
  max-height: 34rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
}

.hobby-tile-single {
  justify-self: center;
  width: min(34rem, 100%);
}

.hobby-tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-position: center;
}

.hobby-tile-landscape img {
  object-fit: cover;
}

.hobby-tile-portrait img {
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.hobby-copy-empty {
  padding: 1.5rem;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.brand:hover,
.brand:focus-visible {
  color: #ffffff;
}

@media (max-width: 900px) {
  .hero,
  .profile-inline-grid,
  .hobby-row-pair {
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: start;
  }

  .photo-card {
    max-width: 420px;
  }

  .hero-side {
    justify-items: start;
  }

  .info-links-inline {
    gap: 0.8rem 1rem;
  }

  .hobby-tile-landscape {
    aspect-ratio: 16 / 10;
  }

  .hobby-tile-portrait {
    max-height: 28rem;
  }

  .hobby-tile-single {
    width: min(28rem, 100%);
  }
}

@media (max-width: 640px) {
  .starfall-layer {
    display: none;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 1rem, 1180px);
  }

  .site-header {
    position: static;
    flex-direction: column;
    gap: 0.75rem;
    border-radius: 24px;
  }

  .site-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  h1 {
    font-size: clamp(2.5rem, 16vw, 4rem);
  }

  .photo-card,
  .profile-card {
    max-width: 100%;
  }

  .hobby-tile-portrait {
    max-height: 22rem;
  }

  .hobby-tile-single {
    width: 100%;
  }
}